Pregnant women may not be able to sleep during pregnancy due to physiological or psychological changes, which can be helped by diet, exercise and emotional regulation. Usually include the following points: 1, diet: before going to bed can not eat too much, but also can not eat too greasy, spicy and stimulating food, do not drink caffeinated beverages. You can drink a glass of milk before going to bed to help you sleep; 2, exercise: moderate exercise during the day, so that the body has a certain sense of fatigue, but also can help sleep better and better. But do not do more strenuous exercise within 4 hours before bedtime, so as not to accelerate the body’s operating speed, interfere with the normal sleep pattern; 3, emotion: usually must maintain a good state of mind and relaxed and happy mood, can not have too much mental stress or tension, anxiety and other emotions; 4, improve the sleep environment: create a comfortable sleep environment, the temperature, humidity is appropriate, relatively quiet. Uterine volume increases pressure on the pelvic blood vessels and lower limb nerves, swelling of the legs will also affect sleep, you can use pillows to support the abdomen and back, behind the waist, legs below the plug a pillow, can make the pregnant woman side sleep more comfortable, thus improving the quality of sleep. In addition, you can soak your feet in hot water before going to bed, and family members can help massage your legs to help you sleep. If you still can not sleep after the above methods, it is recommended to seek professional medical help in a timely manner.